1311011203304 has 32 divisors (see below), whose sum is σ = 2684165502240. Its totient is φ = 595347144000.

The previous prime is 1311011203303. The next prime is 1311011203339. The reversal of 1311011203304 is 4033021101131.

It is not an unprimeable number, because it can be changed into a prime (1311011203301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6994979 + ... + 7179954.

It is an arithmetic number, because the mean of its divisors is an integer number (83880171945).

Almost surely, 2^{1311011203304} is an apocalyptic number.

It is an amenable number.

1311011203304 is an abundant number, since it is smaller than the sum of its proper divisors (1373154298936).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1311011203304 is a wasteful number, since it uses less digits than its factorization.

1311011203304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14176001 (or 14175997 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1311011203304 its reverse (4033021101131), we get a palindrome (5344032304435).

The spelling of 1311011203304 in words is "one trillion, three hundred eleven billion, eleven million, two hundred three thousand, three hundred four".